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Additional info for Carrier Water Conditioning
Hardness is primarily the sum of calcium and magnesium salts in water, although it may include other elements, mainly aluminum, iron, manganese, strontium or zinc. Temporary or carbonate hardness is that portion of total hardness which can combine with the carbonate, CO3, or bicarbonate, HCO3, ions. The balance of the hardness is called noncarbonate or permanent hardness. This is principally caused by sulfates, chlorides and/or nitrates of calcium and/or magnesium (Chapter 1). Inhibitor is a chemical substance added to a solution to reduce scale or corrosion or both.
Sodium pentachloro-phenate may be used. Proprietary biocides have combinations of toxicants for this service. Periodically, the air washers should be sterilized by stopping the air flow and circulating a solution of hypochlorites or a nonoxidizing biocide. The washer is then cleaned with a hose, and slime and dirt removed from the pan. Part 5. Water conditioning | Chapter 5. Water Conditioning Systems CLOSED RECIRCULATING SYSTEM Closed systems require little make-up water unless there is some unusual condition such as a leak at the pump gland or overflow at the expansion tank.
If the results of the retest are within the maximum allowable rates, corrosion shall be judged under control. a. Oral and written instructions and suitable test kits for operating personnel for the maintenance and control of the water conditioning program. b. The addition of all chemicals and all control testing by its own personnel. Periodic service calls, water analysis, and corrosion test checks shall be made at intervals as necessary to insure proper control of corrosion, scale, algae and slime.